一般抹灰应分层进行,抹灰层分为() A.一层底层、一层中层、一层面层 B.一层底层、 发布时间:2020-03-11 11:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 一般抹灰应分层进行,抹灰层分为()A.一层底层、一层中层、一层面层B.一层底层、一层面层C.一层底层、数层中层、一层面层D.数层面层
题型:单项选择题 Generally,you can best keep a vessel under steering control when the vessel has().A.HeadwayB.SternwayC.No way on,with engines stoppedD.No way on,with engines full ahead 查看答案